package exception;

public class TryCatchDemo {
    public static void main(String[] args) {
        System.out.println("程序开始了");

        try {
            String line = "null";
            System.out.println(line.length());
//            return;
        }catch (NullPointerException e){
            System.out.println("出现了空指针异常并解决了");
        }finally {
            System.out.println("finally中的代码执行了");
        }
        System.out.println("程序结束了");
    }
}
